Class: Ablab::Run

Inherits:
Object
  • Object
show all
Defined in:
lib/ablab.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(experiment, session_id) ⇒ Run

Returns a new instance of Run.



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# File 'lib/ablab.rb', line 96

def initialize(experiment, session_id)
  @experiment, @session_id = experiment, session_id
end

Instance Attribute Details

#experiment ⇒ Object (readonly)

Returns the value of attribute experiment.



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# File 'lib/ablab.rb', line 94

def experiment
  @experiment
end

#session_id ⇒ Object (readonly)

Returns the value of attribute session_id.



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# File 'lib/ablab.rb', line 94

def session_id
  @session_id
end

Instance Method Details

#draw ⇒ Object 



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# File 'lib/ablab.rb', line 121

def draw
  sid_hash = Digest::SHA1.hexdigest(session_id)[-8..-1].to_i(16)
  exp_hash = Digest::SHA1.hexdigest(experiment.name.to_s)[-8..-1].to_i(16)
  (sid_hash ^ exp_hash) % 1000
end

#group ⇒ Object 



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# File 'lib/ablab.rb', line 114

def group
  return @group unless @group.nil?
  size = 1000.0 * (experiment.percentage_of_visitors) / 100.0
  idx = (draw * experiment.groups.size / size).floor
  @group = experiment.groups[idx].try(:name)
end

#in_group?(name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ablab.rb', line 100

def in_group?(name)
  group == name
end

#perform_callbacks!(event) ⇒ Object 



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# File 'lib/ablab.rb', line 127

def perform_callbacks!(event)
  experiment.callbacks.each do |cbk|
    cbk.call(event, experiment.name, group, session_id)
  end
end

#track_success! ⇒ Object 



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# File 'lib/ablab.rb', line 109

def track_success!
  Ablab.tracker.track_success!(experiment.name, group, session_id)
  perform_callbacks!(:success)
end

#track_view! ⇒ Object 



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# File 'lib/ablab.rb', line 104

def track_view!
  Ablab.tracker.track_view!(experiment.name, group, session_id)
  perform_callbacks!(:view)
end